Mercurial > dropbear
annotate INSTALL @ 1880:4c1560627693
add pubkey_info field to authstate structure
author | HansH111 <hans@atbas.org> |
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date | Sun, 13 Mar 2022 17:37:44 +0000 |
parents | f78e67527731 |
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1 Basic Dropbear build instructions: |
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2 |
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3 - Edit localoptions.h to set which features you want. Available options |
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4 are described in default_options.h, these will be overridden by |
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5 anything set in localoptions.h |
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6 localoptions.h should be located in the build directory if you are |
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7 building out of tree. |
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8 |
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9 - Configure for your system: |
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10 ./configure (optionally with --disable-zlib or --disable-syslog, |
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11 or --help for other options) |
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12 |
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13 (you'll need to first run "autoconf; autoheader" if you edit configure.ac) |
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14 |
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15 - Compile: |
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16 |
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17 make PROGRAMS="dropbear dbclient dropbearkey dropbearconvert scp" |
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18 |
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19 - Optionally install, or copy the binaries another way |
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20 |
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21 make install (/usr/local/bin is usual default): |
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22 |
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23 or |
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24 |
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25 make PROGRAMS="dropbear dbclient dropbearkey dropbearconvert scp" install |
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26 |
72 | 27 (you can leave items out of the PROGRAMS list to avoid compiling them. If you |
28 recompile after changing the PROGRAMS list, you *MUST* "make clean" before | |
29 recompiling - bad things will happen otherwise) | |
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30 |
1717 | 31 DEVELOPING.md has some notes on other developer topics, including debugging. |
32 | |
72 | 33 See MULTI for instructions on making all-in-one binaries. |
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34 |
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35 If you want to compile statically use ./configure --enable-static |
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36 |
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37 By default Dropbear adds various build flags that improve robustness |
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38 against programming bugs (good for security). If these cause problems |
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39 they can be disabled with ./configure --disable-harden |
72 | 40 |
443 | 41 Binaries can be stripped with "make strip" |
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42 |
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43 ============================================================================ |
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44 |
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45 If you're compiling for a 386-class CPU, you will probably need to add |
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46 CFLAGS=-DLTC_NO_BSWAP so that libtomcrypt doesn't use 486+ instructions. |
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47 |
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48 ============================================================================ |
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49 |
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50 Compiling with uClibc: |
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51 |
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52 Firstly, make sure you have at least uclibc 0.9.17, as getusershell() in prior |
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53 versions is broken. Also note that you may get strange issues if your uClibc |
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54 headers don't match the library you are running with, ie the headers might |
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55 say that shadow password support exists, but the libraries don't have it. |
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56 |
72 | 57 Compiling for uClibc should be the same as normal, just set CC to the magic |
58 uClibc toolchain compiler (ie export CC=i386-uclibc-gcc or whatever). | |
59 You can use "make STATIC=1" to make statically linked binaries, and it is | |
60 advisable to strip the binaries too. If you're looking to make a small binary, | |
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61 you should remove unneeded ciphers and MD5, by editing localoptions.h |
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62 |
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63 It is possible to compile zlib in, by copying zlib.h and zconf.h into a |
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64 subdirectory (ie zlibincludes), and |
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65 |
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66 export CFLAGS="-Izlibincludes -I../zlibincludes" |
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67 export LDFLAGS=/usr/lib/libz.a |
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68 |
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69 before ./configure and make. |
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70 |
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71 If you disable zlib, you must explicitly disable compression for the client - |
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72 OpenSSH is possibly buggy in this regard, it seems you need to disable it |
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73 globally in ~/.ssh/config, not just in the host entry in that file. |
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74 |
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75 You may want to manually disable lastlog recording when using uClibc, configure |
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76 with --disable-lastlog. |
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77 |
69 | 78 One common problem is pty allocation. There are a number of types of pty |
79 allocation which can be used -- if they work properly, the end result is the | |
80 same for each type. Running configure should detect the best type to use | |
81 automatically, however for some systems, this may be incorrect. Some | |
82 things to note: | |
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83 |
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84 If your system expects /dev/pts to be mounted (this is a uClibc option), |
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85 make sure that it is. |
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86 |
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87 Make sure that your libc headers match the library version you are using. |
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88 |
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89 If openpty() is being used (HAVE_OPENPTY defined in config.h) and it fails, |
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90 you can try compiling with --disable-openpty. You will probably then need |
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91 to create all the /dev/pty?? and /dev/tty?? devices, which can be |
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92 problematic for devfs. In general, openpty() is the best way to allocate |
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93 PTYs, so it's best to try and get it working. |